CN220419666U - Be applied to microscope's change formula camera lens device - Google Patents
Be applied to microscope's change formula camera lens device Download PDFInfo
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- CN220419666U CN220419666U CN202322285279.XU CN202322285279U CN220419666U CN 220419666 U CN220419666 U CN 220419666U CN 202322285279 U CN202322285279 U CN 202322285279U CN 220419666 U CN220419666 U CN 220419666U
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- 230000008859 change Effects 0.000 title claims description 4
- 230000007246 mechanism Effects 0.000 claims abstract description 151
- 239000000725 suspension Substances 0.000 claims abstract description 116
- 239000013307 optical fiber Substances 0.000 claims description 52
- 230000007704 transition Effects 0.000 claims description 50
- 238000009434 installation Methods 0.000 abstract description 12
- 238000005286 illumination Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 230000009955 peripheral mechanism Effects 0.000 abstract description 3
- 230000003287 optical effect Effects 0.000 description 6
- 230000001681 protective effect Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 5
- 230000006835 compression Effects 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model discloses an interchangeable lens device applied to a microscope, which comprises an upper identification mechanism arranged on a zoom lens barrel and a suspension limiting mechanism arranged on an objective lens component, wherein the suspension limiting mechanism is in sliding fit with the objective lens component through a ball under the limiting fixation of the upper identification mechanism, so that friction between the suspension limiting mechanism and the upper identification mechanism and between the suspension limiting mechanism and the objective lens component in the spiral fit process of the objective lens component and the lens barrel is reduced, and the installation efficiency is improved; the peripheral mechanism of the objective lens is concise based on the structure of the designed suspension limiting mechanism; the lens is accurately installed between the objective lens and the lens barrel based on the limiting and fixing of the upper identification mechanism and the suspension limiting mechanism, so that convenience in lens replacement is improved, and the installation effect of the suspension limiting mechanism in cooperation is not affected along with long-time use; meanwhile, the coaxial light illumination of the zoom lens cone and the objective lens is ensured, and the working efficiency and the measuring precision of the microscope are improved.
Description
Technical Field
The utility model relates to the technical field of optical instruments, in particular to an interchangeable lens device applied to a microscope.
Background
The existing objective lens is the most important optical component of the optical instrument, the amplification effect of the optical instrument mainly depends on the objective lens, and the objective lens is required to be detached and replaced based on the requirements of the objective lens with different multiplying powers; because the problems of narrow connection space, complex installation and the like between the objective lens and the lens barrel are not easy to disassemble, a lot of time is wasted in replacement, thereby influencing the overall working efficiency of the microscope. And the objective lens and the variable magnification lens are required to be coaxial during replacement, and the problem of coaxiality is required to be continuously adjusted, so that the installation efficiency is low.
As in patent CN219065871U, a removable microscope lens replacement recognition device is proposed, in which the lower recognition mechanism can be driven to rotate by rotating the fixed protective shell, lens replacement is achieved based on the cooperation between the upper recognition mechanism and the lower recognition mechanism, and the peripheral equipment of the objective lens is bulked based on the structure of the lower recognition mechanism, so that the structure is complex; in addition, after the springs in the lower recognition mechanism are used for a long time, the springs are fatigued and the elasticity is reduced, and the lens installation effect is affected.
Disclosure of Invention
The utility model aims to provide an interchangeable lens device applied to a microscope, which solves the problems existing in the prior art.
The aim of the utility model can be achieved by the following technical scheme:
the utility model provides an be applied to change formula lens device of microscope, includes the zoom lens cone, and camera and the objective part that is connected respectively with the zoom lens cone both ends, still includes the last recognition mechanism that is equipped with on the zoom lens cone, and the suspension stop gear that is equipped with on the objective part, and the objective part is connected with the zoom lens cone based on the spacing cooperation of last recognition mechanism and suspension stop gear.
Preferably, the suspension limiting mechanism is in sliding fit with the objective lens component under the limiting fit of the upper identification mechanism.
Preferably, the objective lens component comprises an objective lens, an optical fiber transition mechanism, a limiting fixed cylinder and a fixed protective shell, wherein the optical fiber transition mechanism is arranged on the outer side of the objective lens, the suspension limiting mechanism is arranged on the outer side of the optical fiber transition mechanism and is in sliding fit with the optical fiber transition mechanism, the limiting fixed cylinder is in threaded fit with the optical fiber transition mechanism, an aperture guide ring which is coaxial with the optical fiber transition mechanism and is matched with an optical fiber in the optical fiber transition mechanism is arranged in the limiting fixed cylinder, the fixed protective shell is arranged on the outer side of the limiting fixed cylinder, and the fixed protective shell is fixed with the limiting fixed cylinder through a first fastener.
Preferably, the objective part further comprises an objective adapter ring, an objective holding ring and an objective sleeve arranged outside the objective, the objective adapter ring is arranged at the upper end of the objective and is connected with the zoom lens barrel, the upper end of the objective holding ring is fixed outside the objective adapter ring through a second fastener, internal threads are arranged on the inner side of the objective holding ring and are matched with external threads of the objective sleeve, an extension connecting piece is arranged on the inner side of the optical fiber transition mechanism and is matched with the objective sleeve in a threaded manner under the objective holding ring, and a second support extension plate is arranged under the extension connecting piece on the outer side of the objective sleeve.
Preferably, the suspension limiting mechanism comprises a suspension base, a pressing ring and a base ring, wherein the pressing ring and the base ring are in threaded fit with the outer side of the optical fiber transition mechanism, the pressing ring is arranged above the base ring, a first support extension plate is arranged on the optical fiber transition mechanism below the base ring, the suspension base is arranged between the pressing ring and the base ring and is respectively in contact connection with the pressing ring and the base ring through a plurality of balls, the suspension base is in sliding fit with the optical fiber transition mechanism, and a limiting block in limiting fit with the upper identification mechanism is further arranged on the suspension base.
Preferably, the suspension base includes suspension base and suspension extension board that arranges in between clamping ring and the base ring that is equipped with on the suspension base, suspension extension board all contacts with clamping ring and base ring through a plurality of balls respectively and is connected, the stopper setting on the suspension base with go up recognition mechanism spacing cooperation.
Preferably, the base ring is provided with a clamping groove for placing balls, and the inclined surface of the suspension extending plate facing the clamping groove of the base ring is in point contact with each ball on the clamping groove of the base ring; the suspension extension board faces the compression ring and is provided with a clamping groove for placing balls, and the inclined surface of the compression ring facing the suspension extension board clamping groove is in point contact with each ball on the suspension extension board clamping groove.
Preferably, the clamping grooves for placing the balls on the base ring and the clamping grooves for placing the balls on the suspension extension plate are L-shaped clamping grooves.
Preferably, the upper recognition mechanism comprises an annular plate arranged on the zoom lens barrel, the annular plate is fixedly connected with the zoom lens barrel through a third fastener, and two limit protrusions matched with limit blocks in the suspension limit mechanism are arranged at the lower end of the annular plate.
The utility model has the beneficial effects that: the utility model provides an interchangeable lens device applied to a microscope, which comprises an upper identification mechanism arranged on a zoom lens barrel and a suspension limiting mechanism arranged on an objective lens component, wherein the suspension limiting mechanism is in sliding fit with the objective lens component through a ball under the limiting fixation of the upper identification mechanism, so that friction between the suspension limiting mechanism and the upper identification mechanism and between the suspension limiting mechanism and the objective lens component in the spiral fit process of the objective lens component and the lens barrel is reduced, and the installation efficiency is improved; the peripheral mechanism of the objective lens is concise based on the structure of the designed suspension limiting mechanism; under the limit fixation of the upper identification mechanism and the suspension limit mechanism, the lens is accurately installed between the objective lens and the lens barrel, the convenience of lens replacement is improved, and the installation effect of the suspension limit mechanism in cooperation is not affected along with long-time use; meanwhile, the coaxial light illumination of the zoom lens cone and the objective lens is ensured, and the working efficiency and the measuring precision of the microscope are improved. In addition, the identification of the objective lens is realized based on a spring needle unit and a spring needle base unit which are respectively arranged on the upper identification mechanism and the suspension limiting mechanism.
Drawings
Fig. 1 is a schematic diagram of the overall structure of an interchangeable lens device applied to a microscope according to an embodiment of the present utility model;
FIG. 2 is a schematic structural diagram of an upper recognition mechanism and a suspension limiting mechanism in an embodiment of the present utility model;
FIG. 3 is an enlarged view of the structure of FIG. 2A;
fig. 4 is a cross-sectional view of an objective lens assembly provided with a suspension stop mechanism in an embodiment of the utility model.
In the figure: 1-objective lens component, 2-zoom lens barrel, 3-camera, 4-upper recognition mechanism, 41-annular plate, 42-limit protrusion, 43-spring needle unit, 431-spring needle, 432-first circuit board, 433 first insulation plate, 5-suspension limit mechanism, 51-suspension base, 511-limit block, 512-suspension base plate, 513-suspension extension plate, 52-spring needle base unit, 521-spring needle base, 522-second circuit board, 523-second insulation plate, 53-compression ring, 54-base ring, 55-ball, 6-optical fiber transition mechanism, 61-extension connector, 62-first support extension plate, 7-limit fixed cylinder, 8-fixed protective shell, 9-objective lens transfer ring, 10-objective lens holding ring, 11-objective lens, 12-objective lens sleeve, 121-second support extension plate.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
As shown in fig. 1, an interchangeable lens device for a microscope includes a zoom lens barrel 2, a camera 3 and an objective lens component 1 respectively connected to two ends of the zoom lens barrel 2, an upper recognition mechanism 4 provided on the zoom lens barrel 2, and a suspension limiting mechanism 5 provided on the objective lens component 1, wherein the objective lens component 1 is connected with the zoom lens barrel 2 based on the limit fit of the upper recognition mechanism 4 and the suspension limiting mechanism 5. In this embodiment, the objective lens component 1 and the magnification-varying barrel 2 are connected by screw-fitting.
Further, the suspension limiting mechanism 5 is in sliding fit with the objective lens component 1 under the limiting fit of the upper recognition mechanism 4. That is, when the suspension limiting mechanism 5 is limited by the upper recognition mechanism 4, the suspension limiting mechanism 5 cannot continue to rotate with the rotation of the objective lens member, but can move up and down in the lens barrel direction with the rotation of the objective lens member 1.
As shown in fig. 4, the objective lens component 1 includes an objective lens 11, an optical fiber transition mechanism 6, a limiting fixing cylinder 7, and a fixing protecting shell 8, where the optical fiber transition mechanism 6 is disposed outside the objective lens 11, the suspension limiting mechanism 5 is disposed outside the optical fiber transition mechanism 6 and is in sliding fit with the optical fiber transition mechanism 6, the limiting fixing cylinder 7 is in threaded fit with the optical fiber transition mechanism 6, an aperture guide concentric with the optical fiber transition mechanism 6 and matched with the optical fiber in the optical fiber transition mechanism 6 is disposed in the limiting fixing cylinder 7, the fixing protecting shell 8 is disposed outside the limiting fixing cylinder 7, and the fixing protecting shell 8 is fixed with the limiting fixing cylinder 7 through a first fastener. Wherein the optical fiber in the optical fiber transition mechanism 6 corresponds to the upper end position of the diaphragm.
The objective part 1 further comprises an objective adapter ring 9, an objective holding ring 10 and an objective sleeve 12 arranged outside the objective, the objective adapter ring 9 is arranged at the upper end of the objective and is connected and matched with the zoom lens barrel 2, namely, is connected in a threaded mode, the upper end of the objective holding ring 10 is fixed at the outer side of the objective adapter ring 9 through a second fastening piece, internal threads are arranged at the inner side of the objective holding ring 10 and are matched with external threads of the objective sleeve 12, an extension connecting piece 61 is arranged at the inner side of the optical fiber transition mechanism 6 and is in threaded mode with the objective sleeve 12 under the objective holding ring 10, and a second support extension plate 121 is arranged under the extension connecting piece 61 at the outer side of the objective sleeve 12.
In this embodiment, preferably, the first fastener is a bolt, and the second fastener is a jackscrew.
The optical fiber transition mechanism 6 comprises a transition inner cylinder, a transition outer cylinder and a transition gap groove, wherein the transition gap groove is arranged between the transition inner cylinder and the transition outer cylinder, and optical fibers are filled in the transition gap groove; the inner side of the limiting and fixing barrel 7 is provided with a mounting and fixing hole and a stepped groove, the periphery side of the mounting and fixing hole is provided with an internal thread matched with the external thread at the lower end of the optical fiber transition mechanism 6, and an extension plate at the periphery side of the diaphragm is matched with the stepped groove on the limiting and fixing barrel 7. After the limit fixing cylinder 7 is matched with the optical fiber transition mechanism 6, an installation groove for placing the diaphragm is formed between the lower end of the optical fiber transition mechanism 6 and the stepped groove. In this embodiment, the side surface of the zoom lens barrel 2 is fixed with an optical fiber line connected with the light source controller, the optical fiber line is divided into two paths, the optical signal output by one path of optical fiber is input to the objective lens through two 45-degree reflectors in the zoom lens barrel 2 to form coaxial light illumination, and the other path of optical signal is input to the light guide ring through the optical fiber line in the optical fiber transition mechanism 6 to form annular light illumination, so that the selection of two illumination light modes is realized.
Specifically, the objective adapter ring 9 is sleeved at the upper end of the objective 11, threads are arranged on the inner wall of the objective adapter ring 9, which is in contact with the objective, threads matched with the threads on the inner wall of the objective adapter ring 9 are arranged on the outer wall of the objective 11, and the objective adapter ring 9 is connected with the objective 11 through threads; the outer wall of the objective lens adapter 9, which is in contact with the zoom lens barrel, is provided with threads matched with the threads on the inner wall of the zoom lens sleeve, and the objective lens 11 is in threaded matched connection with the zoom lens sleeve through the objective lens adapter 9; the auxiliary assembly of the objective lens sleeve 12 is realized, the objective lens sleeve 12 is an annular plate sleeved outside the objective lens, the inner wall of the objective lens sleeve 12, which is in contact with the objective lens, is provided with threads matched with the threads of the outer wall of the objective lens, and the objective lens sleeve 12 is connected with the objective lens through the threads; in order to prevent the objective adapter 9, the objective sleeve 12 and the objective 11 from loosening during reversing, an objective holding ring 10 is arranged, the objective adapter 9, the objective sleeve 12 and the objective are further fixed, threads are arranged on the outer wall of the objective sleeve 12 and are in threaded connection with the threads on the inner wall of the objective holding ring 10, the objective holding ring 10 is arranged on the outer side of the objective adapter 9, and the objective holding ring 10 and the objective adapter 9 are fixed through three equidistant fasteners arranged on the periphery of the objective holding ring 10, and in the embodiment, the fixing piece adopts jackscrews; the optical fiber transition mechanism 6 is in threaded connection with the outer wall of the objective lens sleeve 12, and the part of the optical fiber transition mechanism 6 in threaded connection with the objective lens sleeve 12 is fixedly limited between the objective lens holding ring 10 and a second support extension plate 121 arranged on the objective lens sleeve 12.
Further, the suspension limiting mechanism 5 includes a suspension base 51, a pressing ring 53 and a base ring 54, wherein the pressing ring 53 is in threaded fit with the outer side of the optical fiber transition mechanism 6, the pressing ring 53 is disposed above the base ring 54, a first support extension plate 62 is disposed on the optical fiber transition mechanism 6 below the base ring 54, the suspension base 51 is disposed between the pressing ring 53 and the base ring 54 and is respectively in contact connection with the pressing ring 53 and the base ring 54 through a plurality of balls, the suspension base 51 is in sliding fit with the optical fiber transition mechanism 6, and a limiting block 511 in limiting fit with the upper identification mechanism 4 is further disposed on the suspension base 51. In the present embodiment, the suspension base 51 is not in contact with the objective lens member 1, that is, the suspension base 51 is in a suspended state with respect to the objective lens member 1 by the press fit between the press ring 53 and the balls 55 under the press ring 53, and the base ring 54 and the balls 55 on the base ring 54, and when the objective lens member 1 is rotated, the suspension stopper 5 slides with respect to the objective lens member 1 by the restriction of the upper recognition mechanism 4, and does not rotate with the rotation of the objective lens member 1.
Specifically, the suspension base 51 includes a suspension substrate 512, and a suspension extension plate 513 disposed on the suspension substrate and disposed between the compression ring 53 and the base ring 54, where the suspension extension plate 513 is respectively in contact with the compression ring 53 and the base ring 54 through a plurality of balls, and the limiting block 511 is disposed on the suspension substrate 512 and is in limit fit with the upper identification mechanism 4.
The base ring 54 is provided with a clamping groove for placing the ball 55, and the inclined surface of the suspension extension plate 513 facing the clamping groove of the base ring 54 is in point contact with each ball on the clamping groove of the base ring 54; the suspension extending plate 513 is provided with a clamping groove for placing the balls 55 facing the pressing ring 53, and the inclined surface of the pressing ring 53 facing the clamping groove of the suspension extending plate 513 is in point contact with each ball on the clamping groove of the suspension extending plate 513.
In this embodiment, the clamping grooves of the base ring 54 for placing the balls 55 and the clamping grooves of the suspension extending plate 513 for placing the balls 55 are all L-shaped clamping grooves; the balls 55 are placed in the grooves, and the inclined surfaces of the suspending extending plates 513 facing the clamping grooves of the base ring 54 for placing the balls 55 are inclined surfaces which extend from bottom to top and are low left to right and high right, and are used for limiting the positions of the balls 55 by being matched with the clamping grooves of the base ring 54; the inclined surface of the pressing ring 53 facing the clamping groove on the suspension extension plate 513 is an inclined surface which extends from top to bottom and is high on the left and low on the right, and the inclined surface is used for being matched with the clamping groove on the suspension extension plate 513 to limit the position of the ball 55. Further, the pressing ring 53 may be an annular plate with a right trapezoid cross section, the lower bottom is in threaded fit with the optical fiber transition mechanism 6, and the inclined surface of the pressing ring faces to a groove on the suspension extending plate 513 for placing balls; the base ring 54 may be provided as an annular plate having an "L" shaped cross section. Preferably, the balls 55 are steel balls.
Further, as shown in fig. 2, the upper recognition mechanism 4 includes an annular plate 41 disposed on the zoom lens barrel 2, the annular plate 41 is fixedly connected with the zoom lens barrel 2 through a third fastener, and two limiting protrusions 42 matched with the limiting blocks 511 in the suspension limiting mechanism 5 are disposed at the lower end of the annular plate 41. In this embodiment, the annular plate 41 is sleeved on the zoom lens barrel, and the two limiting protrusions 42 are used for limiting cooperation with the limiting block 511 in the suspension limiting mechanism 5, i.e. the limiting block 511 is located between the two limiting protrusions 42, so that the upper recognition mechanism 4 and the suspension limiting mechanism 5 are relatively stationary. In this embodiment, preferably, the third fastener is a screw.
Further, as shown in fig. 3, the upper recognition mechanism 4 further includes a spring pin unit 43 disposed on the peripheral side of the annular plate 41, the spring pin unit 43 includes a first circuit board 432 provided with a plurality of spring pins 431, and a first insulating board 433, and each hole corresponding to each spring pin 431 one by one is disposed on the first insulating board 433, and based on the limit fit between the upper recognition mechanism 4 and the suspension limiting mechanism 5, the spring pins 431 pass through the first insulating board to be in contact fit with the suspension limiting mechanism 5.
The suspension limiting mechanism 5 is provided with a spring pin base unit 52 matched with the spring pin unit 43, the spring pin base unit 52 comprises a second circuit board 522 and a second insulating board 523, the second circuit board 522 is provided with spring pin bases 521 in one-to-one correspondence with the spring pins 431, the second insulating board 523 is provided with holes in one-to-one correspondence with the spring pins 431, and the spring pins 431 pass through the second insulating board 523 to be in contact fit with the spring pin bases 521 based on limiting fit of the upper recognition mechanism 4 and the suspension limiting mechanism 5. In the present embodiment, the pogo pin base unit 52 is provided on the suspension substrate; the identification of the objective lens is realized through electric connection, namely when the assembly is needed, the limiting block 511 is aligned with the gap between the two limiting protrusions 42, when the limiting block 511 is just clamped between the two limiting protrusions 42, the spring needle 431 is aligned with the spring needle base 521, and when the probe based on the spring needle 431 is in contact with the spring needle base 521, the identification conduction of the objective lens signal is carried out.
The specific connection and disassembly processes of the interchangeable lens device for a microscope designed in this embodiment are as follows:
the installation and connection process of the objective lens and the zoom lens barrel 2 is as follows: when an objective lens is required to be installed, the fixed protective shell 8 in the objective lens component is held to drive the objective lens component 1 and the suspension limiting mechanism 5 to move towards the zoom lens barrel 2, firstly, the limiting block 511 on the suspension limiting mechanism 5 is aligned between the two limiting protrusions 42 arranged on the upper recognition mechanism 4 to carry out limiting fit limiting, so that the suspension limiting mechanism 5 and the upper recognition mechanism 4 are in a relatively static state, and the suspension limiting mechanism 4 is matched with the spring needle base unit 52 on the suspension limiting mechanism 5 through the spring needle unit 43 on the upper recognition mechanism 4 to carry out axial positioning and signal transmission, and the recognition of the lens is realized through signal judgment; with the limit fit of the suspension limit mechanism 5 and the upper recognition mechanism 4, at this time, the objective lens component 1 is continuously rotated, the external thread of the objective lens adapter ring 9 in the objective lens component 1 is matched with the internal thread of the zoom lens barrel 2, with the rotation of the objective lens component 1, the suspension limit mechanism 5 is in sliding fit with the objective lens component 1 based on limit and rolling of the ball 55, and moves upwards with the upward movement of the objective lens until the external thread of the objective lens adapter ring 9 is matched with the internal thread of the zoom lens barrel 2, so that the installation of the objective lens is completed. The objective lens is arranged coaxially with the variable magnification lens,
the disassembly process of the objective lens and the zoom lens barrel 2 is as follows: when the lens is disassembled, the objective lens component 1 is rotated, based on the rotation of the objective lens component 1, the suspension limiting mechanism 5 and the upper recognition mechanism 4 are relatively static, the suspension limiting mechanism 5 is in sliding fit with the objective lens component 1, the suspension limiting mechanism 5 moves downwards along with the downward movement of the rotation of the objective lens component 1 until the objective lens component 1 is separated from the magnification-varying lens barrel 2, and the objective lens is disassembled relative to the magnification-varying lens barrel 2.
The utility model designs an interchangeable lens device applied to a microscope, which comprises an upper identification mechanism arranged on a zoom lens barrel and a suspension limiting mechanism arranged on an objective lens component, wherein the suspension limiting mechanism is in sliding fit with the objective lens component through a ball under the limiting fixation of the upper identification mechanism, so that friction between the suspension limiting mechanism and the upper identification mechanism and between the suspension limiting mechanism and the objective lens component in the spiral fit process of the objective lens component and the lens barrel is reduced, and the installation efficiency is improved; the peripheral mechanism of the objective lens is concise based on the structure of the designed suspension limiting mechanism; under the limit fixation of the upper identification mechanism and the suspension limit mechanism, the lens is accurately installed between the objective lens and the lens barrel, the convenience of lens replacement is improved, and the installation effect of the suspension limit mechanism in cooperation is not affected along with long-time use; meanwhile, the coaxial light illumination of the zoom lens cone and the objective lens is ensured, and the working efficiency and the measuring precision of the microscope are improved. In addition, the identification of the objective lens is realized based on a spring needle unit and a spring needle base unit which are respectively arranged on the upper identification mechanism and the suspension limiting mechanism.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that the foregoing embodiments may be modified or equivalents substituted for some of the features thereof. All equivalent structures made by the content of the specification and the drawings of the utility model are directly or indirectly applied to other related technical fields, and are also within the scope of the utility model.
Claims (9)
1. Be applied to change formula lens device of microscope, including zoom lens cone (2) to and camera (3) and objective part (1) that are connected respectively with zoom lens cone (2) both ends, its characterized in that still includes last recognition mechanism (4) that are equipped with on the zoom lens cone (2), and suspension stop gear (5) that are equipped with on objective part (1), and objective part (1) are connected with zoom lens cone (2) based on the spacing cooperation of last recognition mechanism (4) and suspension stop gear (5).
2. An interchangeable lens device for a microscope according to claim 1, characterized in that the suspension limiting mechanism (5) is in sliding engagement with the objective part (1) under the limiting engagement of the upper recognition mechanism (4).
3. The interchangeable lens device for a microscope according to claim 1, wherein the objective lens component (1) comprises an objective lens (11), an optical fiber transition mechanism (6), a limiting fixing barrel (7) and a fixing protecting shell (8), the optical fiber transition mechanism (6) is arranged on the outer side of the objective lens (11), the suspension limiting mechanism (5) is arranged on the outer side of the optical fiber transition mechanism (6) and is in sliding fit with the optical fiber transition mechanism (6), the limiting fixing barrel (7) is in threaded fit with the optical fiber transition mechanism (6), an aperture ring which is coaxial with the optical fiber transition mechanism (6) and is matched with an optical fiber in the optical fiber transition mechanism (6) is arranged in the limiting fixing barrel (7), the fixing protecting shell (8) is arranged on the outer side of the limiting fixing barrel (7), and the fixing protecting shell (8) is fixed with the limiting fixing barrel (7) through a first fastener.
4. An interchangeable lens device for a microscope according to claim 3, wherein the objective part (1) further comprises an objective adapter ring (9), an objective holding ring (10) and an objective sleeve (12) arranged outside the objective, the objective adapter ring (9) is arranged at the upper end of the objective and is connected and matched with the zoom lens barrel (2), the upper end of the objective holding ring (10) is fixed at the outer side of the objective adapter ring (9) through a second fastening piece, an inner thread is arranged at the inner side of the objective holding ring (10) and is matched with an outer thread of the objective sleeve (12), an extension connecting piece (61) is arranged at the inner side of the optical fiber transition mechanism (6) and is in threaded fit with the objective sleeve (12) under the objective holding ring (10), and a second support extension plate (121) is arranged under the extension connecting piece (61) at the outer side of the objective sleeve (12).
5. An interchangeable lens device for a microscope according to claim 3, characterized in that the suspension limiting mechanism (5) comprises a suspension base (51), a pressing ring (53) and a base ring (54) which are in threaded fit with the outer side of the optical fiber transition mechanism (6), the pressing ring (53) is arranged above the base ring (54), a first support extension plate (62) is arranged on the optical fiber transition mechanism (6) below the base ring (54), the suspension base (51) is arranged between the pressing ring (53) and the base ring (54) and is respectively connected with the pressing ring (53) and the base ring (54) in a contact manner through a plurality of balls, so that the suspension base (51) is in sliding fit with the optical fiber transition mechanism (6), and a limiting block (511) in limiting fit with the upper identification mechanism (4) is further arranged on the suspension base (51).
6. The interchangeable lens device for a microscope according to claim 5, wherein the suspension base (51) comprises a suspension base plate (512) and a suspension extension plate (513) arranged on the suspension base plate and arranged between the pressing ring (53) and the base ring (54), the suspension extension plate (513) is respectively in contact connection with the pressing ring (53) and the base ring (54) through a plurality of balls, and the limiting block (511) is arranged on the suspension base plate (512) and is in limit fit with the upper identification mechanism (4).
7. The interchangeable lens unit for a microscope according to claim 6, wherein the base ring (54) is provided with a groove for accommodating the ball (55), and the inclined surface of the suspending extension plate (513) facing the groove of the base ring (54) is in contact with each ball point on the groove of the base ring (54); the suspension extending plate (513) is provided with a clamping groove for placing the balls (55) facing the pressing ring (53), and the inclined surface of the pressing ring (53) facing the clamping groove of the suspension extending plate (513) is in point contact with each ball on the clamping groove of the suspension extending plate (513).
8. The interchangeable lens device according to claim 7, wherein the grooves for placing the balls (55) on the base ring (54) and the grooves for placing the balls (55) on the suspension extension plate (513) are L-shaped grooves.
9. The interchangeable lens device for a microscope according to claim 5, wherein the upper recognition mechanism (4) comprises an annular plate (41) arranged on the zoom lens barrel (2), the annular plate (41) is fixedly connected with the zoom lens barrel (2) through a third fastener, and two limiting protrusions (42) matched with limiting blocks (511) in the suspension limiting mechanism (5) are arranged at the lower end of the annular plate (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322285279.XU CN220419666U (en) | 2023-08-24 | 2023-08-24 | Be applied to microscope's change formula camera lens device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322285279.XU CN220419666U (en) | 2023-08-24 | 2023-08-24 | Be applied to microscope's change formula camera lens device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220419666U true CN220419666U (en) | 2024-01-30 |
Family
ID=89657373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322285279.XU Active CN220419666U (en) | 2023-08-24 | 2023-08-24 | Be applied to microscope's change formula camera lens device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220419666U (en) |
-
2023
- 2023-08-24 CN CN202322285279.XU patent/CN220419666U/en active Active
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